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Ceramic pigments as inorganic salts, metal compounds. Its color is mainly due to its composition containing metal elements can be colored, and after several hundred or more than one thousand degrees of barbecue after the final color. Because of the metal elements after high temperature can be colored, so kinds of ceramic pigment is limited, the hair color can't paint and organic pigments in printing. In the palette, mixing principle and organic printed pigment mixing principle is the same, but they are different.

Color of Ceramic Pigment requirements

1, temperature control

In actual use, all kinds of ceramic pigment and pigment had different firing range, temperature is too high and too low will adversely affect the quality. Some pigment firing range is very wide, such as Ge Xihong, such as the blue sea. Not only can be used for high temperature glaze firing and can be used in ceramic glaze firing at low temperature, their quality effect is good.

While some pigment color range fixed when using taboo, many, such as antimony lead paint, it can only be used for overglaze and low temperature glaze decoration products, if over temperature, lose colour. In addition to the firing temperature, and pigments and pigment is considerable for firing kiln flame atmosphere is very sensitive, such as copper oxide pigments, appears green in the oxidizing atmosphere, while reducing flame is to appear red, the color change is very big.

2, with repeated production in large quantities?

Some ceramic pigment is not easily satisfied repeatability for high volume production use, resulting in every time after firing glaze with different colors or shades are not consistent, so the enterprise product can not guarantee. Currently found difficult to repeat and batch pigments used species, such as the Vitoria green, pink manganese aluminum, chrome tin pink, will produce the phenomenon. Process solutions is the introduction of pigment group was a little strong color in color on the pigment, to solve the problem.

3, color uniformity

In the building and sanitary ceramics products need high temperature firing of ceramic pigment and glaze, mutual melting and blending. So in order to show color function is pigment, pigment and glaze required component component compatibility and adaptability have higher. Most of pigment are after primary Ceramic Colors(including red and yellow, blue) mixed, addition, subtraction and neutral mixed mixed mixed.

Additive mixing

Refers to the color mixing, mixing light more than two together, the brightness will increase, the total brightness of mixed color light is equal to the phase of each color brightness and.

Subtractive mixture

White light through color filters, a part of the light is reflected and absorbed the rest of the light, cut off a part of the radiation power, the light is two times dimmer results, so called subtractive mixing color mixing. Generally speaking, transparency, strong dyes, mixed with light reduction effect obvious.

Neutral mixture

The visual physiological characteristics based on human visual color mixing, and does not change color or light emitting material itself, brightness and color blending effect neither increase nor decrease, so called neutral mixed.

Ceramic pigment color table

Cooked brown color = lemon yellow + Black + rose pink rose red = pure white and rose red

Zhu red color = lemon yellow and dark red rose red color = red roses + pure black

Purple red color = pure purple + Rose Red Chu Hong Shi = Red + Lemon Yellow + Black

Powder blue color = white + blue blue green = green + blue

Grayish blue = blue + Black + pure purple blue gray color = blue + Black

Powder green color = white + grass green orange = lemon yellow + Rose Red